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Design of 512-bit logic process-based single poly EEPROM IP

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Journal of Central South University 2011年第6期18卷 2036-2044页

作者：金丽妍 jang ji-hye 余忆宁 HA Pan-Bong KIM Young-Hee Department of Electronic Engineering Changwon National University

A single poly EEPROM cell circuit sharing the deep N-well of a cell array was designed using the logic process. The proposed cell is written by the FN tunneling scheme and the cell size is 41.26 μm2, about 37% smaller than the conventional cell. Also, a small-area and low-power 512-bit EEPROM IP was designed using the proposed cells which was used for a 900 MHz passive UHF RFID tag chip. To secure the operation of the cell proposed with 3.3 V devices and the reliability of the used devices, an EEPROM core circuit and a DC-DC converter were proposed. Simulation results for the designed EEPROM IP based on the 0.18μm logic process show that the power consumptions in read mode, program mode and erase mode are 11.82, 25.15, and 24.08 ~tW, respectively, and the EEPROM size is 0.12 mm2.

关键词： single poly EEPROM cell Fowler-Nordheim tunneling logic process radio frequency identification small area

Design of an 8 bit differential paired eFuse OTP memory IP reducing sensing resistance

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Journal of Central South University 2012年第1期19卷 168-173页

作者： jang ji-hye 金丽妍 JEON Hwang-Gon KIM Kwang-Il HA Pan-Bong KIM Young-Hee Department of Electronic Engineering Changwon National University9 Sarim-DongChangwon 641-773Korea

For the conventional single-ended eFuse cell, sensing failures can occur due to a variation of a post-program eFuse resistance during the data retention time and a relatively high program resistance of several kilo ohms. A differential paired eFuse cell is designed which is about half the size smaller in sensing resistance of a programmed eFuse link than the conventional single-ended eFuse cell. Also, a sensing circuit of sense amplifier is proposed, based on D flip-flop structure to implement a simple sensing circuit. Furthermore, a sensing margin test circuit is proposed with variable pull-up loads out of consideration for resistance variation of a programmed eFuse. When an 8 bit eFuse OTP IP is designed with 0.18 ~tm standard CMOS logic of TSMC, the layout dimensions are 229.04 μm ×100.15μm. All the chips function successfully when 20 test chips are tested with a program voltage of 4.2 V.

关键词： eFuse differential paired efuse cell one time programmable memory sensing resistance D flip-flop based sense amplifier

Design of small-area and high-efficiency DC-DC converter for 1 T SRAM

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Journal of Central South University 2012年第2期19卷 417-423页

作者： LEE Jae-hyung 金丽妍余忆宁 jang ji-hye KIM Kwang-il HA Pan-bong KIM Young-hee Department of Electronic Engineering Changwon National University9 Sarim-Dong

The direct current-direct current （DC-DC） converter is designed for 1 T static random access memory （SRAM） used in display driver integrated circuits （ICs）, which consists of positive word-line voltage （VpwL）, negative word-line voltage （VinyL） and half-VDD voltage （VHDo） generator. To generate a process voltage temperature （PVT）-insensitive VpWL and VNWL, a set of circuits were proposed to generate reference voltages using bandgap reference current generators for respective voltage level detectors. Also, a VOWL regulator and a VNWL charge pump were proposed for a small-area and low-power design. The proposed VpwL regulator can provide a large driving current with a small area since it regulates an input voltage （VCI） from 2.5 to 3.3 V. The VmvL charge pump can be implemented as a high-efficiency circuit with a small area and low power since it can transfer pumped charges to VNWL node entirely. The DC-DC converter for 1 T SRAM were designed with 0.11 μm mixed signal process and operated well with satisfactory measurement results.

关键词： 1 T-static random access memory direct current-direct current converter positive word-line voltage negative word-line voltage half- VDb generator

Design of 32-bit differential paired eFuse OTP memory in a form of two-dimensional array

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Journal of Central South University 2012年第12期19卷 3484-3491页

作者： KIM Yoon-kyu jang ji-hye YOON Geon-soo LEE Dong-hoon HA Man-yeong HA Pan-bong KIM Young-hee Department of Electronic Engineering Changwon National University9 Sarim-DongChangwon 641-773Korea

A differential paired eFuse OTP(one-time programmable)memory cell which can be configured into a 2D(two-dimensional)eFuse cell array was *** sensible resistance of a programmed eFuse link is a half smaller than that of the single-ended counterpart and BL datum can be sensed without a reference *** this 2D array of differential paired eFuse OTP memory cells,we design a 32-bit eFuse OTP memory *** use a sense amplifier based D F/F circuit as the BL(bit-line)SA(sense amplifier)and design a sensing margin test circuit with a variable pull-up *** is confirmed by the function test that the designed 32-bit OTP memory IP functions normally on 30 sample dies.

关键词： eFuse one-time programmable memory 2-dimensional array

Saccharomyces boulardii as a single trigger of food protein-induced enterocolitis syndrome: Seven case reports

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World Journal of Clinical Cases 2025年第6期13卷 35-40页

作者： jin-Bok Hwang Hyo-Jeong jang Department of Pediatrics Keimyung University School of MedicineDongsan Medical CenterDaegu 42601South Korea

BACKGROUND Food protein-induced enterocolitis syndrome(FPIES)is the most serious type of non-immunoglobulin E(IgE)-mediated food allergic reaction manifesting as sepsis-like symptom,which can lead to *** boulardii(***),a probiotic prescribed frequently in clinical settings,has been reported to trigger FPIES in an infant with soy-triggered *** this report,we describe a new clinical FPIES in which *** was the sole triggering factor of acute FPIES adverse reaction in seven healthy *** SUMMARY Seven FPIES cases triggered by only *** were gathered from 2011 to the *** of the patients had previously experienced any allergic reaction to cow’s milk,soy,or complementary *** age of the patients was 4-10-months old,and the symptoms of FPIES developed after ingestion of ***,which is mostly prescribed for the treatment of gastroenteritis or antibiotic-associated *** patients experienced severe repetitive vomiting 1-3 hours after *** *** lethargy,marked pallor,and cyanosis were also *** IgE-mediated hypersensitivity developed in any *** was followed by initial intense vomiting in approximately 5-10 hours after *** ingestion,and only one case showed bloody,purulent,and foul-smelling *** patients stabilized quickly,mostly within 6 *** got all improved within 24 hours after discontinuation of *** *** can be the sole trigger of acute FPIES and be prescribed cautiously even in healthy children without FPIES.

关键词： Food protein-induced enterocolitis syndrome Food hypersensitivity Saccharomyces boulardii Probiotics Child Case report

Regulation of sleep by astrocytes in the hypothalamic ventrolateral preoptic nucleus

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Neural Regeneration Research 2025年第4期20卷 1098-1100页

作者： Jae-Hong Kim Ruqayya Afridi Il-Sung jang Maan Gee Lee Kyoungho Suk Brain Korea 21 four KNU Convergence Educational Program of Biomedical Sciences for Creative Future Talents School of MedicineKyungpook National UniversityDaeguRepublic of Korea Department of Pharmacology School of MedicineKyungpook National UniversityDaeguRepublic of Korea Department of Pharmacology School of DentistryKyungpook National UniversityDaeguRepublic of Korea Brain Science&Engineering Institute Kyungpook National UniversityDaeguRepublic of Korea

Astrocytes are functionally dynamic cells that support neurons in multiple ways throughout an organism’s *** astrocytic regulation of neuronal activity has been increasingly recognized in recent *** are now recognized as playing a more complex role than mere bystanders in the central nervous ***,their role in regulating the sleep neurocircuitry is not well *** this perspective,we highlight the role of astrocytes in sleep modulation,with a particular focus on regulatory mechanisms related to the ventrolateral preoptic nucleus(VLPO)of the *** briefly discuss recent literature reporting the role of VLPO astrocytes in regulating sleep-associated behaviors.

关键词： sleep ventrolateral astrocytes

SMARCA4-deficient undifferentiated thoracic tumor:A case report

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World Journal of Clinical Cases 2023年第11期11卷 2521-2527页

作者： Hee Jung Kwon Min hye jang Department of Pathology Yeungnam University Medical CenterDaegu 42415South Korea

BACKGROUND SMARCA4-deficient undifferentiated tumors(SMARCA4-DUTs)present with diverse clinical manifestations and progress to metastasis and even cause death within a few *** novel subset of undifferentiated tumors occurs in the middle-aged population and is strongly associated with a smoking ***-guishing it from other malignancies is *** SUMMARY A 62-year-old man presented with chest pain for 7 *** patient had no respiratory symptoms and normal pulmonary function test *** patient had been a smoker for 8 years and quit smoking 2 years *** computed tomography revealed a huge mass involving the left upper and lower lung lobes with pericardial invasion and multiple *** samples were obtained using open frozen biopsy,after several unsuccessful *** tumor was composed of sheets of undifferentiated disclosive cells with vesicular nuclei and prominent *** differential diagnosis included high-grade lymphoma,germ cell tumor,NUT carcinoma,undifferentiated carcinoma,and *** tumor cells were large,arranged in sheets,and did not exhibit glandular or squamous *** foci of necrosis were *** was no evidence of epithelial differentiation on immunohistochemical *** SMARCA4 stain showed complete loss of expression of SMARCA4,which is *** In the present case,thoracic SMARCA4-DUT was diagnosed based on clinical features,absence of epithelial differentiation,and negative SMARCA4 expression.

关键词： SMARCA4 BRG1 Deficient Undifferentiated tumor Thoracic Case report

Mechanisms linking gut microbial metabolites to insulin resistance

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World Journal of Diabetes 2021年第6期12卷 730-744页

作者： hye Rim jang Hui-Young Lee Laboratory of Mitochondrial and Metabolic Diseases Department of Health Sciences and TechnologyGAIHSTGachon UniversityIncheon 21999South Korea Korea Mouse Metabolic Phenotyping Center Lee Gil Ya Cancer and Diabetes InstituteGachon UniversityIncheon 21999South Korea Division of Molecular Medicine Department of MedicineGachon University College of MedicineIncheon 21936South Korea

Insulin resistance is the rate-limiting step in the development of metabolic diseases,including type 2 *** gut microbiota has been implicated in host energy metabolism and metabolic diseases and is recognized as a quantitatively important organelle in host metabolism,as the human gut harbors 10 trillion bacterial *** microbiota break down various nutrients and produce metabolites that play fundamental roles in host metabolism and aid in the identification of possible therapeutic targets for metabolic ***,understanding the various effects of bacterial metabolites in the development of insulin resistance is ***,we review the mechanisms linking gut microbial metabolites to insulin resistance in various insulin-responsive tissues.

关键词： Insulin resistance Skeletal muscle Liver Adipose tissue Intestine Gut bacterial metabolites

Room-temperature sputtered electrocatalyst WSe2 nanomaterials for hydrogen evolution reaction

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Journal of Energy Chemistry 2020年第8期29卷 107-111,I0004页

作者： Jae hyeon Nam Myeong Je jang hye Yeon jang Woojin Park Xiaolei Wang Sung Mook Choi Byungjin Cho Department of Advanced Material Engineering Chungbuk National UniversityChungdae-ro 1Seowon-GuCheongjuChungbuk 28644Republic of Korea Surface Technology Department Korea Institute of Materials Science797 ChangwonDaeroSungsan-guChangwon 51508Republic of Korea Advanced Materials Engineering Korea University of Science and Technology(UST)217 Gajeong-roYuseong-guDaejeon 34113Republic of Korea Department of Chemical and Materials Engineering University of Alberta9211116 Street NWEdmontonAlberta T6C 1H9Canada

The low-temperature physical vapor deposition process of atomically thin two-dimensional transition metal dichalcogenide(2D TMD) has been gaining attention owing to the cost-effective production of diverse electrochemical catalysts for hydrogen evolution reaction(HER) applications. We, herein, propose a simple route toward the cost-effective physical vapor deposition process of 2D WSe2 layered nanofilms as HER electrochemical catalysts using RF magnetron sputtering at room temperature(<27℃). By controlling the variable sputtering parameters, such as RF power and deposition time, the loading amount and electrochemical surface area(ECSA) of WSe2 films deposited on carbon paper can be carefully determined. The surface of the sputtered WSe2 films are partially oxidized, which may cause spherical-shaped particles. Regardless of the loading amount of WSe2, Tafel slopes of WSe2 electrodes in the HER test are narrowly distributed to be ~120–138 mV dec-1, which indicates the excellent reproducibility of intrinsic catalytic activity. By considering the trade-off between the loading amount and ECSA, the best HER performance is clearly observed in the 200 W-15 min sample with an overpotential of 220 mV at a current density of 10 mA cm-2. Such a simple sputtering method at low temperature can be easily expanded to other 2D TMD electrochemical catalysts, promising potentially practical electrocatalysts.

关键词： Two dimensional nanomaterials Sputtering WSe2 nanofilm Electrocatalyst Hydrogen evolution reaction